CN113199005A - Die-casting die for heat dissipation precision die-casting aluminum box body and die-casting method thereof - Google Patents

Die-casting die for heat dissipation precision die-casting aluminum box body and die-casting method thereof Download PDF

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Publication number
CN113199005A
CN113199005A CN202110500348.7A CN202110500348A CN113199005A CN 113199005 A CN113199005 A CN 113199005A CN 202110500348 A CN202110500348 A CN 202110500348A CN 113199005 A CN113199005 A CN 113199005A
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die
casting
cooling
plate
assembly
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CN202110500348.7A
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CN113199005B (en
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张海东
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Shenzhen U&d Precision Casting Co ltd
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Shenzhen U&d Precision Casting Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2218Cooling or heating equipment for dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/32Controlling equipment

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention belongs to the technical field of die casting molds, and particularly relates to a die casting mold for a heat dissipation precision die casting aluminum box body and a die casting method thereof, wherein the technical scheme is as follows: including die-casting subassembly and supporting component, the die-casting subassembly includes mould and bed die, bed die bottom fixed connection bottom plate still includes: the cooling component is connected with the die-casting component; and a lifting assembly detachably mounted with the die-casting assembly; and a moving assembly fixedly connected with the lifting assembly; the invention has the beneficial effects that: through setting up the gradient heat sink, make the die-casting subassembly cool down in the first cooling subassembly, second cooling subassembly and the third cooling subassembly that become the gradient change for the die-casting subassembly temperature becomes the gradient and descends, and not the precipitous drop, and the temperature decline is more even, makes the cooling effect better, and the precision of foundry goods is higher, through setting up the cooling subassembly, carries out circulation cooling to the die-casting subassembly, makes cooling rate faster, and efficiency is higher.

Description

Die-casting die for heat dissipation precision die-casting aluminum box body and die-casting method thereof
Technical Field
The invention relates to the technical field of die-casting dies, in particular to a die-casting die for a heat-dissipation precision die-casting aluminum box body and a die-casting method thereof.
Background
The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine; the basic process of die casting comprises the following steps: the molten metal is cast at low speed or high speed and filled into the cavity of the die, the die has a movable cavity surface, and the molten metal is pressurized and forged along with the cooling process of the molten metal, so that the defects of shrinkage cavity and shrinkage porosity of the blank are eliminated, the internal structure of the blank reaches the broken crystal grains in a forging state, the comprehensive mechanical properties of the blank are obviously improved, and the die-casting material, the die-casting machine and the die are three major factors of die-casting production, and the die-casting process is a process of organically and comprehensively utilizing the three major factors, so that qualified castings with good appearance, good internal quality and sizes meeting the requirements of pattern or protocol regulation and even high-quality castings can be stably and efficiently produced.
After pouring is completed, the existing die-casting die is placed into water for cooling or placed statically for cooling, the die is placed into a water cooling mode for suddenly reducing the temperature, the temperature is reduced unevenly, so that the precision of the manufactured workpiece is affected, the cooling speed of the standing cooling mode is too low, and the processing speed and the efficiency of the workpiece are reduced.
Therefore, it is necessary to provide a die-casting mold for a heat-dissipating precision die-casting aluminum box and a die-casting method thereof.
Disclosure of Invention
Therefore, the invention provides a die-casting die for a heat-dissipation precision die-casting aluminum box body and a die-casting method thereof.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a precision die casting aluminum box die casting die dispels heat, includes die-casting subassembly and supporting component, the die-casting subassembly includes mould and bed die, bed die bottom fixed connection bottom plate still includes: the cooling component is connected with the die-casting component; and
a lifting component detachably mounted with the die-casting component; and
the moving component is fixedly connected with the lifting component; and
a gradient cooling device for cooling the die-casting assembly; and
a water replenishing component for adding water to the gradient cooling device;
the gradient cooling device comprises a first cooling component, a second cooling component and a third cooling component, and the second cooling component, the third cooling component and the first cooling component have the same structure;
the first cooling assembly comprises a shell, a controller is fixedly installed on the outer wall of the shell, a cooling water tank is arranged in an inner cavity of the shell, a condensing pipe and a heating pipe are wound on the outer wall of the cooling water tank in a staggered mode, a water inlet is formed in the left end of the cooling water tank, a water outlet is formed in the right end of the cooling water tank, a high-level liquid level meter and a low-level liquid level meter are fixedly installed on the inner wall of the cooling water tank, the low-level liquid level meter is located below the high-level liquid level meter, and the shell is fixedly installed on a supporting plate;
the cooling assembly comprises a condenser and a second water pump, a liquid inlet is formed in the upper end of the condenser, a liquid outlet is formed in the lower end of the condenser, the liquid outlet is fixedly connected with a first guide pipe, the liquid inlet is fixedly connected with a second guide pipe, a third guide pipe is fixedly connected with the input end of the second water pump, and the output end of the second water pump is fixedly connected with the second guide pipe;
the lower die is provided with a fluid groove, the left end of the lower die is provided with a fluid outlet, the right end of the lower die is provided with a fluid inlet, and the fluid outlet and the fluid inlet are communicated with the fluid groove.
Preferably, the supporting component comprises a supporting base plate, a left supporting vertical plate is fixedly connected to the left end of the top of the supporting base plate, a right supporting vertical plate is fixedly connected to the right end of the top of the supporting base plate, the left supporting vertical plate and a right supporting vertical plate outer wall are fixedly connected to a supporting plate, the outer wall of the left supporting vertical plate passes through a bolt fixed connection motor supporting plate, and a servo motor is fixedly connected to the top end of the motor supporting plate.
Preferably, the moisturizing subassembly includes the moisturizing case, moisturizing inner wall fixed mounting baffle, the baffle is equipped with two sets ofly, two sets of the baffle will the moisturizing case is cut apart into three region, all be equipped with first water pump in the three region of moisturizing case, moisturizing case fixed mounting is on supporting baseplate.
Preferably, the moving assembly comprises a servo motor, a first lead screw is fixedly connected with the output end of the servo motor, a first drive plate is in threaded connection with the outer wall of the first lead screw, the first drive plate is provided with two sets of first drive plate bottoms, the first drive plate bottoms are fixedly connected with a traction plate and two sets of first drive plate two ends are connected through a connecting plate, a first internal thread hole and a first through hole are formed in the first drive plate, the first through hole is provided with two sets of first through holes, the first through hole inner walls are connected with guide sleeves in an inserted mode, guide rods are connected with the inner walls of the guide sleeves in an inserted mode, and the first through holes are symmetrically arranged.
Preferably, the lifting assembly comprises a top plate, the bottom end of the top plate is fixedly connected with a first telescopic rod and a second telescopic rod, the bottom end of the second telescopic rod is fixedly provided with a connecting plate, the first telescopic rod is provided with two groups, the bottom end of the first telescopic rod is fixedly connected with a mounting plate, the mounting plate is connected with a connecting seat in an inserting mode, a T-shaped sliding groove is formed in the connecting seat, the mounting plate is fixed with the connecting seat through bolts, and the bottom end of the connecting seat is fixedly connected with a bottom plate.
Preferably, the water outlet is communicated with the inner cavity of the water replenishing tank through a conduit, the water inlet is fixedly connected with the output end of the first water pump through a conduit, one end of the first conduit, which is far away from the liquid outlet, is fixedly connected with the fluid inlet, and one end of the third conduit, which is far away from the second water pump, is fixedly connected with the fluid outlet.
Preferably, the connecting plate is fixedly connected with the upper die through a bolt, the right end of the connecting plate is fixedly connected with the condenser on the outer wall of the first telescopic rod, and the left end of the connecting plate is fixedly connected with the second water pump on the outer wall of the first telescopic rod.
Preferably, the outer wall of the first screw rod is fixedly connected with a left supporting vertical plate and a right supporting vertical plate through a bearing, and the left end of the guide rod is fixedly connected with the left supporting vertical plate and the right end of the guide rod is fixedly connected with the right supporting vertical plate.
Preferably, the driving gear is sleeved on the outer wall of the first screw rod, the driving gear is connected with the driven gear in a meshed mode, the inner wall of the driven gear is connected with the second screw rod in a splicing mode, the second screw rod is provided with two groups, the outer wall of the second screw rod is in threaded connection with the second driving plate, a second inner threaded hole and a second through hole are formed in the second driving plate, the inner wall of the second through hole is connected with the guide sleeve in a splicing mode, the outer wall of the second screw rod is connected with the left supporting vertical plate and the right supporting vertical plate through the bearing fixedly connected, the second driving plate is provided with two groups, and the two ends of the second driving plate are connected through the connecting plate.
A die casting method of a die casting die for a heat dissipation precision die casting aluminum box body specifically comprises the following steps:
s1, the upper die is driven by the contraction of the second telescopic rod, the molten pouring liquid is guided into the lower die, and the upper die is driven to move downwards to be attached to the lower die by the extension of the second telescopic rod;
s2, cooling the upper die and the lower die by the cooling liquid in the fluid tank, pumping the high-temperature cooling liquid in the fluid tank into a condenser by a second water pump, cooling the high-temperature cooling liquid by the condenser, and then flowing into the fluid tank again to cool the upper die and the lower die, so that circulating cooling is realized and the cooling speed is increased;
s3, the servo motor drives the first screw rod to rotate, so that the first driving plate is driven to move to the right, the die-casting assembly is driven to move to the position right above the third cooling assembly, the first telescopic rod and the second telescopic rod extend to drive the die-casting assembly to fall into a cooling water tank of the third cooling assembly, the controller controls a condensing pipe and a heating pipe on the outer wall of the cooling water tank to control water in the cooling water tank, the temperature of the water is controlled to be 100-70 ℃, and the upper die and the lower die are cooled;
s4, after a period of time, the movable assembly and the lifting assembly are moved to place the die-casting assembly into a medium cooling water tank of the second cooling assembly, the temperature in the cooling water tank is controlled to be 70-40 ℃ by the controller, and the die-casting assembly is cooled for a period of time by the second cooling assembly;
s5, finally, the die casting assembly is placed in the cooling water tank of the first cooling assembly by the moving assembly and the lifting assembly, and the water temperature is controlled to be 40-10 ℃ by the controller until cooling is completed;
and S6, in the process of cooling by using the gradient cooling device, the first water pump extracts water in the water replenishing tank to replenish water to the water replenishing tanks in the first cooling assembly, the second cooling assembly and the third cooling assembly.
The invention has the beneficial effects that:
1. by arranging the gradient cooling device, the die-casting assembly is cooled in the first cooling assembly, the second cooling assembly and the third cooling assembly which are in gradient change, so that the temperature of the die-casting assembly is reduced in a gradient manner instead of being suddenly reduced, the temperature is reduced more uniformly, the cooling effect is better, and the precision of a casting is higher;
2. through setting up the cooling subassembly, circulate the cooling to the die-casting subassembly for cooling rate is faster, and efficiency is higher.
Drawings
Fig. 1 is a schematic structural diagram provided in embodiment 1 of the present invention;
FIG. 2 is a partial top view of the movable assembly of FIG. 1 in accordance with embodiment 1 of the present invention;
fig. 3 is a schematic view of a first drive plate provided in embodiment 1 of the present invention;
fig. 4 is a partial schematic view of fig. 1 provided in embodiment 1 of the present invention;
FIG. 5 is a partial view of FIG. 4 provided in accordance with embodiment 1 of the present invention;
fig. 6 is a schematic view of a cooling water tank provided in embodiment 1 of the present invention;
fig. 7 is a partially enlarged view of fig. 1 provided in embodiment 1 of the present invention;
FIG. 8 is a sectional view of a lower mold provided in example 1 of the present invention;
FIG. 9 is an enlarged view of the point A in FIG. 7 according to embodiment 1 of the present invention;
FIG. 10 is a partial top view of the movable assembly of FIG. 1 in accordance with embodiment 2 of the present invention;
fig. 11 is a schematic diagram of a second driving plate provided in embodiment 2 of the present invention.
In the figure: the cooling device comprises a moving component 1, a servo motor 11, a first screw rod 12, a second screw rod 120, a connecting plate 13, a guide rod 14, a first driving plate 15, a first internal threaded hole 151, a first through hole 152, a guide sleeve 16, a second driving plate 17, a second internal threaded hole 171, a second through hole 172, a driving gear 18, a driven gear 181, a traction plate 19, a second screw rod 120, a supporting component 2, a supporting bottom plate 21, a left supporting vertical plate 22, a motor supporting plate 23, a supporting plate 24, a right supporting vertical plate 25, a gradient cooling device 4, a first cooling component 41, a shell 411, a controller 412, a cooling water tank 413, a condensation pipe 414, a heating pipe 415, a water inlet 416, a water outlet 417, a high liquid level meter 418, a low liquid level meter 419, a second cooling component 42, a third cooling component 43, a cooling component 6, a condenser 61, a liquid outlet 62, a liquid inlet 63, a first conduit 64, a third conduit 65, a second water pump 66, a second water pump, a third water pump 66, a third water pump and a third water pump, The second conduit 67, the water replenishing tank 7, the partition plate 71, the first water pump 72, the die-casting assembly 8, the bottom plate 81, the lower die 82, the fluid groove 821, the fluid outlet 84, the upper die 85, the fluid inlet 86, the lifting assembly 10, the top plate 101, the first telescopic rod 102, the second telescopic rod 103, the connecting plate 104, the connecting seat 105, the mounting plate 106 and the T-shaped sliding groove 107.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1:
referring to the attached fig. 1-9 in the specification, the die casting mold for a heat dissipation precision die-casting aluminum box of the embodiment includes a die-casting assembly 8 and a support assembly 2, the die-casting assembly 8 includes an upper mold 85 and a lower mold 82, a bottom end of the lower mold 82 is fixedly connected with a bottom plate 81, and further includes: the cooling assembly 6 is connected with the die casting assembly 8; and
a lifting component 10 detachably mounted with the die-casting component 8; and
a moving component 1 fixedly connected with the lifting component 10; and
the gradient cooling device 4 is used for cooling the die-casting assembly 8; and
a water replenishing component for adding water to the gradient cooling device 4;
the gradient cooling device 4 comprises a first cooling component 41, a second cooling component 42 and a third cooling component 43, and the second cooling component 42, the third cooling component 43 and the first cooling component 41 have the same structure;
the first cooling assembly 41 comprises a shell 411, a controller 412 is fixedly installed on the outer wall of the shell 411, a cooling water tank 413 is arranged in the inner cavity of the shell 411, a condensing pipe 414 and a heating pipe 415 are wound on the outer wall of the cooling water tank 413 in a staggered mode, a water inlet 416 is arranged at the left end of the cooling water tank 413, a water outlet 417 is arranged at the right end of the cooling water tank 413, a high-level liquid level meter 418 and a low-level liquid level meter 419 are fixedly installed on the inner wall of the cooling water tank 413, the low-level liquid level meter 419 is located below the high-level liquid level meter 418, and the shell 411 is fixedly installed on a supporting plate 24;
the cooling assembly 6 comprises a condenser 61 and a second water pump 66, wherein a liquid inlet 63 is arranged at the upper end of the condenser 61, a liquid outlet 62 is arranged at the lower end of the condenser 61, the liquid outlet 62 is fixedly connected with a first conduit 64, the liquid inlet 63 is fixedly connected with a second conduit 67, the input end of the second water pump 66 is fixedly connected with a third conduit 65, and the output end of the second water pump 66 is fixedly connected with the second conduit 67;
the lower die 82 is provided with a fluid groove 821, the left end of the lower die 82 is provided with a fluid outlet 84, the right end of the lower die 82 is provided with a fluid inlet 86, and the fluid outlet 84 and the fluid inlet 86 are both communicated with the fluid groove 821.
Further, the supporting component 2 includes a supporting base plate 21, a left supporting riser 22 is fixedly connected to the left end of the top of the supporting base plate 21, a right supporting riser 25 is fixedly connected to the right end of the top of the supporting base plate 21, the left supporting riser 22 and the right supporting riser 25 are fixedly connected to a supporting plate 24 through outer walls, the outer wall of the left supporting riser 22 passes through a bolt fixed connection motor supporting plate 23, and the top end of the motor supporting plate 23 is fixedly connected with the servo motor 11.
Further, the moisturizing subassembly includes moisturizing case 7, moisturizing case 7 inner wall fixed mounting baffle 71, baffle 71 is equipped with two sets ofly, two sets of baffle 71 will moisturizing case 7 is cut apart into three region, all be equipped with first water pump 72 in the three region of moisturizing case 7, moisturizing case 7 fixed mounting is on supporting baseplate 21.
Further, the movable assembly 1 comprises a servo motor 11, an output end of the servo motor 11 is fixedly connected with a first lead screw 12, the outer wall of the first lead screw 12 is in threaded connection with a first drive plate 15, the first drive plate 15 is provided with two sets of first drive plates 15, the bottom of the first drive plates is fixedly connected with a traction plate 19, the two ends of the first drive plates 15 are connected through a connecting plate 13, a first internal thread hole 151 and a first through hole 152 are formed in the first drive plate 15, the first through hole 152 is provided with two sets of first through holes 152, the inner walls of the first through holes 152 are connected with a guide sleeve 16 in an inserted mode, and the inner walls of the guide sleeve 16 are connected with guide rods 14 in an inserted mode, and the first through holes 152 are symmetrically arranged relative to the first internal thread hole 151.
Further, the lifting assembly 10 includes a top plate 101, the bottom end of the top plate 101 is fixedly connected to a first telescopic rod 102 and a second telescopic rod 103, the bottom end of the second telescopic rod 103 is fixedly installed on a connecting plate 104, the first telescopic rod 102 is provided with two sets, the bottom end of the first telescopic rod 102 is fixedly connected to an installation plate 106, the installation plate 106 is inserted into a connecting seat 105, a T-shaped chute 107 is formed in the connecting seat 105, the installation plate 106 and the connecting seat 105 are fixed through bolts, and the bottom end of the connecting seat 105 is fixedly connected to the bottom plate 81.
Further, the water outlet 417 is communicated with the inner cavity of the water replenishing tank 7 through a conduit, the water inlet 416 is fixedly connected with the output end of the first water pump 72 through a conduit, one end of the first conduit 64, which is far away from the liquid outlet 62, is fixedly connected with the fluid inlet 86, and one end of the third conduit 65, which is far away from the second water pump 66, is fixedly connected with the fluid outlet 84.
Further, the connecting plate 104 is fixedly connected to the upper mold 85 through bolts, the outer wall of the first telescopic rod 102 at the right end is fixedly connected to the condenser 61, and the outer wall of the first telescopic rod 102 at the left end is fixedly connected to the second water pump 66.
Further, the outer wall of the first screw rod 12 is fixedly connected with a left supporting vertical plate 22 and a right supporting vertical plate 25 through a bearing, the left ends of the guide rods 14 are fixedly connected with the left supporting vertical plate 22, and the right ends of the guide rods 14 are fixedly connected with the right supporting vertical plate 25.
A die casting method of a die casting die for a heat dissipation precision die casting aluminum box body specifically comprises the following steps:
s1, the second telescopic rod 103 contracts to drive the upper die 85, the molten pouring liquid is guided into the lower die 82, and the second telescopic rod 103 extends to drive the upper die 85 to move downwards to be attached to the lower die 82;
s2, the cooling liquid in the fluid tank 821 cools the upper die 85 and the lower die 82, the second water pump 66 pumps the high-temperature cooling liquid in the fluid tank 821 into the condenser 61, and the condenser 61 cools the high-temperature cooling liquid, so that the high-temperature cooling liquid flows into the fluid tank 821 again to cool the upper die 85 and the lower die 82, thereby realizing circulation cooling and increasing the cooling speed;
s3, the servo motor 11 drives the first screw rod 12 to rotate, so that the first driving plate 15 is driven to move to the right, the die-casting component 8 is driven to move to the position right above the third cooling component 43, the first telescopic rod 102 and the second telescopic rod 103 extend to drive the die-casting component 8 to fall into a cooling water tank of the third cooling component 43, the controller controls the condensation pipe 414 and the heating pipe 415 on the outer wall of the cooling water tank to control water in the cooling water tank, the temperature of the water is controlled to be 100-70 ℃, and the upper die 85 and the lower die 82 are cooled;
s4, after a period of time, moving the assembly 1 and the lifting assembly 10 to place the die-casting assembly 8 into a medium cooling water tank of the second cooling assembly 42, similarly controlling the temperature in the cooling water tank to be 70-40 ℃ by using the controller, and cooling the die-casting assembly 8 for a period of time by using the second cooling assembly 42;
s5, finally, the moving assembly 1 and the lifting assembly 10 place the die-casting assembly 8 in the cooling water tank 413 of the first cooling assembly 41, and the water temperature is controlled to be 40-10 ℃ by the controller until cooling is completed;
s6, in the process of cooling by the gradient cooling device 4, the first water pump 72 pumps water in the water replenishing tank 7 to replenish water in the water replenishing tanks of the first cooling module 41, the second cooling module 42 and the third cooling module 43.
Example 2:
referring to the attached drawings 10-11 of the specification, the difference from the embodiment 1 is that: the outer wall of the first screw rod 12 is sleeved with a driving gear 18, the driving gear 18 is meshed with a driven gear 181, the inner wall of the driven gear 181 is inserted into a second screw rod 120, two groups of the second screw rods 120 are arranged, the outer wall of the second screw rod 120 is in threaded connection with a second driving plate 17, a second internal threaded hole 171 and a second through hole 172 are formed in the second driving plate 17, the inner wall of the second through hole 172 is inserted into a guide sleeve 16, the outer wall of the second screw rod 120 is fixedly connected with a left supporting vertical plate 22 and a right supporting vertical plate 25 through a bearing, two groups of the second driving plate 17 are arranged, and two ends of the two groups of the second driving plates 17 are connected through a connecting plate 13;
the implementation scenario is specifically as follows:
when the invention is used, the second telescopic rod 103 is contracted to drive the upper die 85, the molten pouring liquid is introduced into the lower die 82, and the second telescopic rod 103 is extended to drive the upper die 85 to move downwards to be attached to the lower die 82; the cooling liquid in the fluid tank 821 cools the upper die 85 and the lower die 82, the second water pump 66 pumps the high-temperature cooling liquid in the fluid tank 821 into the condenser 61, and the condenser 61 cools the high-temperature cooling liquid, so that the high-temperature cooling liquid flows into the fluid tank 821 again to cool the upper die 85 and the lower die 82, thereby realizing circulating cooling and accelerating the cooling speed; the servo motor 11 drives the first screw rod 12 to rotate, so that the first driving plate 15 is driven to move to the right, the die-casting component 8 is driven to move to the position right above the third cooling component 43, the first telescopic rod 102 and the second telescopic rod 103 extend to drive the die-casting component 8 to fall into a cooling water tank of the third cooling component 43, the controller controls a condensing pipe 414 and a heating pipe 415 on the outer wall of the cooling water tank to control water in the cooling water tank, the temperature of the water is controlled to be 100-70 ℃, and the upper die 85 and the lower die 82 are cooled; after a period of time, the die-casting assembly 8 is placed in a middle cooling water tank of the second cooling assembly 42 by moving the assembly 1 and the lifting assembly 10, the temperature in the cooling water tank is controlled to be 70-40 ℃ by using the controller, and the die-casting assembly 8 is cooled for a period of time by using the second cooling assembly 42; finally, the moving assembly 1 and the lifting assembly 10 place the die-casting assembly 8 into the cooling water tank 413 of the first cooling assembly 41, and the water temperature is controlled to be 40-10 ℃ by the controller until cooling is completed; in the process of cooling by the gradient cooling device 4, the first water pump 72 pumps water in the water replenishing tank 7 to replenish water in the water replenishing tanks of the first cooling module 41, the second cooling module 42 and the third cooling module 43.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a precision die casting aluminum box die casting die dispels heat, includes die-casting subassembly (8) and supporting component (2), die-casting subassembly (8) are including last mould (85) and bed die (82), bed die (82) bottom fixed connection bottom plate (81), its characterized in that still includes: a cooling component (6) connected with the die casting component (8); and
a lifting component (10) detachably mounted with the die-casting component (8); and
a moving component (1) fixedly connected with the lifting component (10); and
a gradient cooling device (4) for cooling the die-casting assembly (8); and
a water replenishing component for adding water to the gradient cooling device (4);
the gradient cooling device (4) comprises a first cooling component (41), a second cooling component (42) and a third cooling component (43), and the second cooling component (42), the third cooling component (43) and the first cooling component (41) have the same structure;
the first cooling assembly (41) comprises a shell (411), a controller (412) is fixedly installed on the outer wall of the shell (411), a cooling water tank (413) is arranged in an inner cavity of the shell (411), a condensing pipe (414) and a heating pipe (415) are wound on the outer wall of the cooling water tank (413) in a staggered mode, a water inlet (416) is formed in the left end of the cooling water tank (413), a water outlet (417) is formed in the right end of the cooling water tank (413), a high-level liquid level meter (418) and a low-level liquid level meter (419) are fixedly installed on the inner wall of the cooling water tank (413), the low-level liquid level meter (419) is located below the high-level liquid level meter (418), and the shell (411) is fixedly installed on a supporting plate (24);
the cooling assembly (6) comprises a condenser (61) and a second water pump (66), a liquid inlet (63) is formed in the upper end of the condenser (61), a liquid outlet (62) is formed in the lower end of the condenser (61), the liquid outlet (62) is fixedly connected with a first conduit (64), the liquid inlet (63) is fixedly connected with a second conduit (67), the input end of the second water pump (66) is fixedly connected with a third conduit (65), and the output end of the second water pump (66) is fixedly connected with the second conduit (67);
the lower die (82) is provided with a fluid groove (821), the left end of the lower die (82) is provided with a fluid outlet (84), the right end of the lower die (82) is provided with a fluid inlet (86), and the fluid outlet (84) and the fluid inlet (86) are both communicated with the fluid groove (821).
2. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 1, wherein the die-casting die comprises: the supporting component (2) comprises a supporting base plate (21), a supporting base plate (21) top left end fixed connection left supporting vertical plate (22), a supporting base plate (21) top right end fixed connection right supporting vertical plate (25), a left supporting vertical plate (22) and a right supporting vertical plate (25) outer wall fixed connection supporting plate (24), a left supporting vertical plate (22) outer wall passes through a bolt fixed connection motor supporting plate (23), and a motor supporting plate (23) top fixed connection servo motor (11).
3. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 1, wherein the die-casting die comprises: the water supplementing assembly comprises a water supplementing tank (7), a partition plate (71) is fixedly installed on the inner wall of the water supplementing tank (7), the partition plate (71) is provided with two groups, two groups of partition plates (71) are used for dividing the water supplementing tank (7) into three areas, a first water pump (72) is arranged in each of the three areas of the water supplementing tank (7), and the water supplementing tank (7) is fixedly installed on a supporting base plate (21).
4. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 1, wherein the die-casting die comprises: remove subassembly (1) including servo motor (11), the first lead screw (12) of servo motor (11) output fixed connection, the first drive plate (15) of first lead screw (12) outer wall threaded connection, first drive plate (15) are equipped with two sets ofly, and are two sets of the equal fixed connection traction plate (19) in first drive plate (15) bottom, it is two sets of first drive plate (15) both ends are all connected through connecting plate (13), first internal thread hole (151) and first through-hole (152) have been seted up on first drive plate (15), first through-hole (152) are equipped with two sets ofly, and are two sets of guide pin bushing (16) is all pegged graft to first through-hole (152) inner wall, guide pin bushing (16) inner wall grafting guide arm (14), and are two sets of first through-hole (152) about first internal thread hole (151) symmetry sets up.
5. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 1, wherein the die-casting die comprises: the lifting assembly (10) comprises a top plate (101), the bottom end of the top plate (101) is fixedly connected with a first telescopic rod (102) and a second telescopic rod (103), a second telescopic rod (103) is fixedly installed on a connecting plate (104), the first telescopic rod (102) is provided with two groups, the bottom end of the first telescopic rod (102) is fixedly connected with a mounting plate (106), the mounting plate (106) is connected with a plug-in connecting seat (105), a T-shaped sliding groove (107) is formed in the connecting seat (105), the mounting plate (106) is fixed with the connecting seat (105) through bolts, and the bottom end of the connecting seat (105) is fixedly connected with a bottom plate (81).
6. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 1, wherein the die-casting die comprises: the water outlet (417) is communicated with the inner cavity of the water replenishing tank (7) through a conduit, the water inlet (416) is fixedly connected with the output end of the first water pump (72) through a conduit, one end, far away from the liquid outlet (62), of the first conduit (64) is fixedly connected with the fluid inlet (86), and one end, far away from the second water pump (66), of the third conduit (65) is fixedly connected with the fluid outlet (84).
7. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 5, wherein the die-casting die comprises: the connecting plate (104) is fixedly connected with the upper die (85) through bolts, the outer wall of the first telescopic rod (102) at the right end is fixedly connected with the condenser (61), and the outer wall of the first telescopic rod (102) at the left end is fixedly connected with the second water pump (66).
8. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 4, wherein the die-casting die comprises: first lead screw (12) outer wall passes through bearing fixed connection left branch and supports riser (22) and right branch and support riser (25), and is two sets of equal fixed connection left branch in guide arm (14) left end supports riser (22), and is two sets of equal fixed connection right branch in guide arm (14) right-hand member supports riser (25).
9. The die-casting die for the heat-dissipation precise die-casting aluminum box body as claimed in claim 4, wherein the die-casting die comprises: driving gear (18) is cup jointed to first lead screw (12) outer wall, driven gear (181) is connected in driving gear (18) meshing, second lead screw (120) is pegged graft to driven gear (181) inner wall, second lead screw (120) are equipped with two sets ofly, second lead screw (120) outer wall threaded connection second drive plate (17), second internal thread hole (171) and second through-hole (172) have been seted up on second drive plate (17), second through-hole (172) inner wall grafting guide pin bushing (16), second lead screw (120) outer wall passes through bearing fixed connection left side support riser (22) and right side support riser (25), second drive plate (17) are equipped with two sets ofly, two sets ofly second drive plate (17) both ends are all connected through connecting plate (13).
10. A die casting method of a die casting die for a heat dissipation precision die casting aluminum box body specifically comprises the following steps:
s1, the upper die (85) is driven by the contraction of the second telescopic rod (103), the molten pouring liquid is introduced into the lower die (82), and the second telescopic rod (103) extends to drive the upper die (85) to move downwards to be attached to the lower die (82);
s2, cooling the upper die (85) and the lower die (82) by the cooling liquid in the fluid tank (821), pumping the high-temperature cooling liquid in the fluid tank (821) into the condenser (61) by the second water pump (66), cooling the high-temperature cooling liquid by the condenser (61), and then re-flowing into the fluid tank (821) to cool the upper die (85) and the lower die (82), so that circulating cooling is realized and the cooling speed is increased;
s3, a servo motor (11) drives a first screw rod (12) to rotate, so that a first driving plate (15) is driven to move to the right, a die-casting assembly (8) is driven to move right above a third cooling assembly (43), a first telescopic rod (102) and a second telescopic rod (103) extend to drive the die-casting assembly (8) to fall into a cooling water tank of the third cooling assembly (43), a controller controls a condensing pipe (414) and a heating pipe (415) on the outer wall of the cooling water tank to control water in the cooling water tank, the temperature of the water is controlled to be 100-70 ℃, and an upper die (85) and a lower die (82) are cooled;
s4, after a period of time, moving the assembly (1) and the lifting assembly (10) to place the die-casting assembly (8) into a medium cooling water tank of the second cooling assembly (42), similarly controlling the temperature in the cooling water tank to be 70-40 ℃ by using a controller, and cooling the die-casting assembly (8) for a period of time by using the second cooling assembly (42);
s5, finally, the die-casting assembly (8) is placed into a cooling water tank (413) of the first cooling assembly (41) by the moving assembly (1) and the lifting assembly (10), and the temperature of water is controlled to be 40-10 ℃ by the controller until cooling is completed;
and S6, in the process of cooling by the gradient cooling device (4), the first water pump (72) pumps water in the water replenishing tank (7) to replenish water in the water replenishing tanks of the first cooling assembly (41), the second cooling assembly (42) and the third cooling assembly (43).
CN202110500348.7A 2021-05-08 2021-05-08 Die-casting die for heat dissipation precision die-casting aluminum box body and die-casting method thereof Active CN113199005B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2471611A2 (en) * 2010-01-27 2012-07-04 Hyundai Steel Company Die-casting apparatus using immersion cooling
CN105293267A (en) * 2015-12-03 2016-02-03 南通江中光电有限公司 Step of escalator and die-casting method thereof
CN110421140A (en) * 2019-09-04 2019-11-08 周立 A kind of die casting mould cooling device
CN112427618A (en) * 2020-11-23 2021-03-02 阜阳市世科智能设备有限公司 Die casting die with heating mechanism
CN213135002U (en) * 2020-09-04 2021-05-07 哈尔滨华亿复合材料有限公司 Integral demolding and die-casting die with inner insert

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2471611A2 (en) * 2010-01-27 2012-07-04 Hyundai Steel Company Die-casting apparatus using immersion cooling
CN105293267A (en) * 2015-12-03 2016-02-03 南通江中光电有限公司 Step of escalator and die-casting method thereof
CN110421140A (en) * 2019-09-04 2019-11-08 周立 A kind of die casting mould cooling device
CN213135002U (en) * 2020-09-04 2021-05-07 哈尔滨华亿复合材料有限公司 Integral demolding and die-casting die with inner insert
CN112427618A (en) * 2020-11-23 2021-03-02 阜阳市世科智能设备有限公司 Die casting die with heating mechanism

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